Maduhu Ginyebu, 19, in the village of Nangale, Tanzania suffered injuries including facial scarring when he was attacked by a rabid hyena. A program directed by Lincoln Park Zoo is heading an effort to keep rabies from spreading into wildlife by vaccinating dogs against the virus in villages that border Serengeti National Park. Click here to see the Tribune's special report, "Africa's scourge, Chicago's crusade" (Chris Sweda, Chicago Tribune)